8170781: PropertyMapIterator throws NoSuchElementException on last element
Reviewed-by: sundar, attila

8147558: Add support for ES6 collections
Reviewed-by: attila, mhaupt

8147591: Revisit Collection.toArray(new T[size]) calls in nashorn and dynalink code
Reviewed-by: hannesw, mhaupt, sundar
Contributed-by: srinivas.dama@oracle.com

8141702: Add support for Symbol property keys
Reviewed-by: attila, sundar

8137333: Boundless soft caching of property map histories causes high memory pressure
Reviewed-by: hannesw, sundar

8134609: Allow constructors with same prototoype map to share the allocator map
Reviewed-by: attila, sundar

8027137: Merge ScriptFunction and ScriptFunctionImpl
Reviewed-by: attila, hannesw, mhaupt

8130663: 6 fields can be static fields in Global class
Reviewed-by: hannesw, attila

8087312: PropertyMapWrapper.equals should compare className
Reviewed-by: sundar, attila

8067215: Disable dual fields when not using optimistic types
Reviewed-by: attila, lagergren

8075006: Threads spinning infinitely in WeakHashMap.get running test262parallel
Reviewed-by: lagergren, attila

8062141: Various performance issues parsing JSON
Reviewed-by: lagergren, attila

8062132: Nashorn incorrectly binds this for constructor created by another function
Reviewed-by: jlaskey, sundar

8062401: User accessors require boxing and do not support optimistic types
Reviewed-by: jlaskey, lagergren

8025435: Optimistic builtins support, implemented initial optimistic versions of push, pop, and charCodeAt
Reviewed-by: attila, hannesw, sundar

8056978: ClassCastException: cannot cast jdk.nashorn.internal.scripts.JO*
Reviewed-by: jlaskey, sundar

Merge

8054834: Modular Source Code
Reviewed-by: alanb, chegar, ihse, mduigou
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, chris.hegarty@oracle.com, erik.joelsson@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, magnus.ihse.bursie@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, paul.sandoz@oracle.com